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P124/272 Initial encounter with a cutting-edge mobile head CT scanner (Somatom On.site) in a neuro-intensive care unit
ConclusionThe study demonstrates the clinical effectiveness of modern mobile CT scanners in neurointensive care units. The Somatom On.site provides sufficient image quality, saves time and supports timely decision making. The integration of mobile CT scanners in NICUs improves patient care and workflow. Prospective studies are needed to validate these findings and assess the long-term impact in NICUs and other units, such as stroke units.Disclosure of InterestCK serves as consultants for Acandis GmbH (Pforzheim, Germany) and proctor for MicroVention Inc./Sequent Medical (Aliso Viejo, CA, USA).
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Goertz, L., Al-Sewaidi, Y., Habib, M., Ranft, A., Kabbasch, C. Tags: 3.1 OTHER - Innovation Source Type: research

P163/235 Thrombolysis and collateral flow in interhospital transfer for thrombectomy: implications for recanalization and infarct growth
ConclusionCollateral flow and thrombolysis may have a positive interaction in macrovascular recanalization. However, thrombolysis does not appear to interfere with collateral-mediated infarct growthDisclosure of InterestNothing to disclose
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Sousa, J., Bernardo-Castro, S., Machado, R. B., Maia, C., Cruz, L., Simoes, J., Martins, A. I., Bras, A., Almendra, L., Nunes, C., Machado, C., Rodrigues, B., Veiga, R., Nunes, C., Silva, F., Pereira R Cordeiro Santo, G. A., Machado, E., Freitas, J. S. Tags: 2.3 ISCHEMIC - Treatment Source Type: research

O09/90 Thrombectomy in ischemic stroke patients with large core but minor or absent ischemic changes on non-enhanced computed tomography
ConclusionIn patients with ASPECTS≥6, core volumes did not significantly modify the treatment effect of recanalization. Reperfusion and higher core volume were significantly associated with core overestimation which may explain the treatment effect of MT for patients with large ischemic core but minor ischemic changes on NECT.Abstract O09/90 Figure 1Abstract O09/90 Figure 2Disclosure of InterestNA.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Broocks, G., Kniep, H., Bechstein, M., Paula Hanning, U. M., Kemmling, A., Fiehler, J., Meyer, L. Tags: 2.3 ISCHEMIC - Treatment Source Type: research

O16/158 Artificial Intelligence based nationwide centralised decision supporting system for improving stroke case efficiency in Hungary
ConclusionUsing AI based centralized stroke imaging network fast and reliable decision support can be provided to a large nationwide stroke care system. The system was installed with the support of an EU grant EFOP 5.2.6.Disclosure of InterestIstvan Szikora has a consulting agreement with Brainomix Ltd.Zoltan Chadaide is a former employee of Brainomix Ltd.Edvard Benes is owner and CEO of eRAD-BBThe system was built by the support of an EU grant EFOP 5.2.6.The other authors have no relevant conflict of interest.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Szikora, I., Magyar, B., Papai, G., Szudi, G., Kondor, M., Czencz, M., Nardai, S., Chadaide, Z., Benes, E., Ovary, C., Eross, L. Tags: 2.2 ISCHEMIC - Imaging Source Type: research

E-115 Trans-radial versus trans-femoral access routes for diagnostic cerebral angiograms: a large single-center comparative cost-analysis study
ConclusionOverall, our study shows that the TR approach can be less a less expensive option for patients undergoing diagnostic cerebral angiograms, especially if complications occur. Future studies can corroborate our findings and potentially lead to the adoption of TR as a low-cost, efficient, gold-standard technique for cerebral angiography.Costs (dollars) Associated with Trans-Radial Versus Trans-Femoral AccessAbstract E-115 Table 1 Variable Trans-Femoral (n=314) Trans-Radial(n=612) P-value Total Cost, mean (SD) 12591.8 (19128) 12789.5 (18424) .88 Catheters, median (range) 12.4 (12.4-1900) 55.2 (12.4-369) .03 Closure d...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: El Naamani, K., Atallah, E., Momin, A., Jain, P., Hunt, A., Sambangi, A., Carreras, A., El Fadel, O., Gooch, M., Tjoumakaris, S., Zarzour, H., Schmidt, R., Herial, N., Rosenwasser, R., Jabbour, P. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-142 A new graphical interface to capture quantitative venous outflow metrics
ConclusionsOur newly developed graphical interface allows users to output quantitative metrics that may represent AIF and VOF. These metrics should be checked against existing scales for association and performance.Abstract E-142 Figure 1Disclosures G. Adusumilli: None. S. Christensen: 2; C; iSchemaView. 4; C; iSchemaView. T. Faizy: None. G. Albers: 2; C; iSchemaView, Genentech. 4; C; iSchemaView. M. Lansberg: None. J. Heit: 2; C; Medtronic, MicroVention. 6; C; iSchemaView.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Adusumilli, G., Christensen, S., Faizy, T., Albers, G., Lansberg, M., Heit, J. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

O-027 Contrast density and volume on post-thrombectomy dual-energy head computed tomography predict delayed hemorrhagic transformation
ConclusionMaximum contrast density predicted the occurrence of delayed petechial hemorrhage, while contrast volume predicted the occurrence and volume of delayed parenchymal hematoma. The volume of contrast on DEHCT can serve as a useful predictor of DHT and may have implications for patient management.Abstract O-027 Figure 1Disclosures S. Ahn: None. S. Roth: None. Y. Ko: None. A. Bhamidipati: None. N. Mummareddy: None. R. Chitale: None. M. Fusco: None. M. Froehler: None.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Ahn, S., Roth, S., Ko, Y., Bhamidipati, A., Mummareddy, N., Chitale, R., Fusco, M., Froehler, M. Tags: SNIS 20th annual meeting oral abstracts Source Type: research

E-212 A comparison of outcomes between transfemoral versus transradial access for carotid stenting
ConclusionThe TR approach is safe, feasible, and provides similar rates of complications and high rates of successful stent deployment compared with the TF route. Neurointerventionalists adopting the radial first approach should carefully assess the pre-procedural computed tomography angiography to identify patients amenable to TR approach for carotid stenting.Abstract E-212 Table 2Comparison of outcomes between trans-radial vs trans-femoral access Outcome Trans-Femoral (n=232) Trans-Radial(n=110) Odds Ratioβ(95% CI) p-valueβ Odds Ratio*(95% CI) p-value* Primary Outcome: Any Complication, n (%) 15 (6.5%) 3 (2.7%...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: El Naamani, K., Khanna, O., Syal, A., Momin, A., Abbas, R., Amllay, A., Sambangi, A., Hunt, A., Dougherty, J., Lawall, C., Tjoumakaris, S., Gooch, M., Herial, N., Rosenwasser, R., Zarzour, H., Schmidt, R., Jabbour, P. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

P-002 Mechanical thrombectomy for patients with stroke presenting with low alberta stroke program early computed tomography score (ASPECTS): early versus late time window outcomes
ConclusionMechanical thrombectomy appears to carry a similar benefit profile among patients treated in the late window as those in the early window.Abstract P-002 Figure 1Disclosures S. Samir Elawady: None. M. Mahdi Sowlat: None. I. Maier: None. P. Jabbour: None. J. Kim: None. S. Quintero Wolfe: None. A. Rai: None. R. M Starke: None. M. Psychogios: None. E. Samaniego: None. A. Arthur: None. S. Yoshimura: None. J. A. Grossberg: None. A. Alawieh: None. J. Mascitelli: None. I. Fragata: None. H. Cuellar: None. A. Polifka: None. J. Osbun: None. R. Crosa: None. C. Matouk: None. M. S. Park: None. M. R. Levitt: None. W. Brinjikji:...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Samir Elawady, S., Mahdi Sowlat, M., Maier, I., Jabbour, P., Kim, J., Quintero Wolfe, S., Rai, A., Starke, R., Psychogios, M., Samaniego, E., Arthur, A., Yoshimura, S., Grossberg, J., Alawieh, A., Mascitelli, J., Fragata, I., Cuellar, H., Polifka, A., Osb Tags: SNIS 20th annual meeting oral poster abstracts Source Type: research

E-029 Thrombectomy in stroke patients with low ASPECTS: is TICI 2C/3 superior to TICI 2B?
ConclusionIn patients with low ASPECTS, achieving a TICI 2C/3 score after MT is associated with a more favorable 90-day outcome. These findings suggest that TICI 2C/3 is a better target for MT than TICI 2B in patients with low ASPECTS.Abstract E-029 Figure 1Disclosures S. Samir Elawady: None. M. Mahdi Sowlat: None. I. Maier: None. P. Jabbour: None. J. Kim: None. S. Quintero Wolfe: None. A. Rai: None. R. M Starke: None. M. Psychogios: None. E. Samaniego: None. A. Arthur: None. S. Yoshimura: None. J. A. Grossberg: None. A. Alawieh: None. J. Mascitelli: None. I. Fragata: None. H. Cuellar: None. A. Polifka: None. J. Osbun: Non...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Samir Elawady, S., Mahdi Sowlat, M., Maier, I., Jabbour, P., Kim, J., Quintero Wolfe, S., Rai, A., Starke, R., Psychogios, M., Samaniego, E., Arthur, A., Yoshimura, S., Grossberg, J., Alawieh, A., Mascitelli, J., Fragata, I., Cuellar, H., Polifka, A., Osb Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

Tmax profile in computed tomography perfusion-based RAPID software maps influences outcome after mechanical thrombectomy in patients with basilar artery occlusion
Conclusions Perfusion deficit volume in Tmax >6 s on CTP-RAPID imaging maps and basilar artery on CTA score have potential as functional outcome predictors in patients with BAO after EVT.
Source: Journal of NeuroInterventional Surgery - June 16, 2023 Category: Neurosurgery Authors: Liu, X.-L., Hang, Y., Cao, Y., Jia, Z., Zhao, L. B., Shi, H.-B., Liu, S. Tags: Ischemic stroke Source Type: research

The butterfly effect: improving brain cone-beam CT image artifacts for stroke assessment using a novel dual-axis trajectory
Conclusions Recent developments in CBCT imaging protocols have significantly improved image artifacts, which has improved diagnostic confidence for stroke and supports a direct-to-angiography suite transfer approach for patients with acute ischemic stroke.
Source: Journal of NeuroInterventional Surgery - February 14, 2023 Category: Neurosurgery Authors: Cancelliere, N. M., Hummel, E., van Nijnatten, F., van de Haar, P., Withagen, P., van Vlimmeren, M., Hallacoglu, B., Agid, R., Nicholson, P., Mendes Pereira, V. Tags: Open access, Neuroimaging Source Type: research

O14 Benefit of thrombectomy in patients with extensive baseline stroke depends on early ischemic lesion water uptake: results from the I-LAST study
DiscussionEarly NWU was an independent predictor of clinical outcome, and might serve as an indicator of futile MT in low ASPECTS patients. NWU could be tested as tool to select low ASPECTS patients for MT.ReferencesSarraj A, Hassan AE, Savitz S, et al. Outcomes of Endovascular Thrombectomy vs Medical Management Alone in Patients with Large Ischemic Cores: A Secondary Analysis of the Optimizing Patient’s Selection for Endovascular Treatment in Acute Ischemic Stroke (Select) Study. Jama Neurol 2019.Mcdonough R, Elsayed S, Faizy TD, et al. Computed Tomography-based Triage of Extensive Baseline Infarction: Aspects and C...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Broocks, G., Meyer, L., Hanning, U., Faizy, T., Fiehler, J., Kemmling, A. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

O17 Profile of intracranial artery calcifications and effect on endovascular stroke treatment
ConclusionsIntracranial arterial calcifications within the symptomatic vessel are associated with worse angiographic and functional outcomes. Identification of symptomatic-IAC on baseline imaging may predict need of intracranial stenting and determine their optimal endovascular treatment strategy.ReferencesMaurer CJ, et al. Endovascular Thrombectomy of Calcified Emboli in Acute Ischemic Stroke: A Multicenter Study. AJNR. 2020 Mar;41(3):464–468.Johnson S, Mccarthy R, Fahy B, et al. Development of an in vitro Model of Calcified Cerebral Emboli in Acute Ischemic Stroke for Mechanical Thrombectomy Evaluation. J Neurointe...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Rodrigo-Gisbert, M., Requena, M., Rubiera, M., Lozano, P., De Dios Lascuevas, M., Garcia-Tornel, A., Olive-Gadea, M., Boned, S., Muchada, M., Rodriguez-Villatoro, N., Rodriguez-Luna, D., Juega, J., Pagola, J., Pinana, C., Hernandez, D., Molina, C., Tomase Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

P08 Detection of cerebral aneurysms in unenhanced CT images of patients with subarachnoid hemorrhage using the sparing aneurysm sign (SAS)
ConclusionsThe aneurysm location and size can be determined in unenhanced CT images in many cases using the new SAS (sparing aneurysm sign). Whereas quantitative measurements of HU can support the aneurysm detection.ReferencesConnolly ES, Rabinstein AA, Carhuapoma JR, et al. Guidelines for the Management of Aneurysmal Subarachnoid Hemorrhage. Stroke. 2012;43. Do you have any conflict of interest to declare?: No
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Peters, S., Klintz, T., Larsen, N., Hensler, J., Wodarg, F., Jansen, O. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

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